Python 3.6
Pycharm Pro 2017.3.2
Text文本

requests
re
urllib

pip install 需要安装的包名(Ps： pip install requests)

url:http://www.ivsky.com/search.php?q=%E5%85%B0%E5%8D%9A%E5%9F%BA%E5%B0%BC&PageNo=2
q 查询的数据
PageNo 页码

img_url:http://img.ivsky.com/img/bizhi/pic/201804/17/aventador_s-007.jpg
img_url:http://img.ivsky.com/img/bizhi/pre/201804/17/aventador_s-007.jpg
pic 原图
pre 缩略图

import requests, re, urllib.request
class Ivsky_Spider:
    def __init__(self, new_search_name):
        """初始化"""
        self.url_search = 'http://www.ivsky.com/search.php?q=%s' % urllib.request.quote(new_search_name) # 网站搜索
        self.url = re.findall(r'(http://.*?)/', self.url_search)[0] # 网站地址
        self.headers = {
            'User-Agent': 'Mozilla/5.0', # 伪装成浏览器访问
            'Referer': self.url # 是否合法
        }

    def Spider(self):
        """主程序"""
        i = 1
        while True:
            try:
                print('='*30 + '第%d页' % i + '='*30)
                respone = self.Get_Html_Respone(self.url_search + '&PageNo=' + str(i)).text
                page_temp = re.findall(r'<div class="pagelist">.*?</div>', respone, re.S)[0]
                if str(i) in page_temp:
                    self.Get_Img_Download(i, respone)
                else:
                    print('=' * 30 + '程序爬取完成' + '=' * 30)
                    return
                i += 1
            except Exception as e:
                print('报错信息：%sn程序退出' % e)
                return

    def Get_Html_Respone(self, new_url):
        """网站Get请求"""
        respone = requests.get(url=new_url, headers=self.headers) # Get请求
        respone.encoding = 'utf-8' # 网页编码转为utf-8
        return respone

    def Get_Img_Download(self, page, new_respone):
        """图片下载"""
        print('-' * 20 + '正在获取第%d页图片内容' % page + '-' * 20)
        img_url_temp = re.findall(r'<div class="left">.*?<ul class="pli">.*?</ul>', new_respone, re.S)[0]
        img_url_list = re.findall(r'<li>.*?<div.*?><a href="(.*?)".*?>', img_url_temp, re.S)
        for i in range(len(img_url_list)):
            print('-' * 20 + '正在下载第%d页第%d张图片' % (page, i+1) + '-' * 20)
            img_url = self.url + img_url_list[i]
            img_respone = self.Get_Html_Respone(img_url).text
            img_respone_url = re.findall(r"</script><img.*?src='(.*?)'", img_respone)[0].replace('pre', 'pic')
            img_f_name = img_respone_url[img_respone_url.rfind('/') + 1:]
            with open('D:Wallpaperlamborghini%s' % img_f_name, 'wb') as f:
                img_result = self.Get_Html_Respone(img_respone_url).content
                f.write(img_result)
            with open('C:\UsersAdministratorAppDataLocalMicrosoftWindowsThemeslamborghini.theme', 'a') as f:
                f.write('n')
                f.write('Item%dPath=D:Wallpaperlamborghini%s' % (i, img_f_name))

if __name__ == '__main__':
    search_name = u'兰博基尼'
    a = Ivsky_Spider(search_name)
    a.Spider()